Home / 3,619.53-5,398.87-3,287.33

Finding the Fourth Proportional to 3,619.53, 5,398.87 and 3,287.33

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Solution

The fourth proportional to 3,619.53, 5,398.87 and 3,287.33 is: 4,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.53 : 5,398.87 = 3,287.33 : x
  2. Step 2: Convert to fraction form
    3,619.53/5,398.87 = 3,287.33/x
  3. Step 3: Cross multiply
    3,619.53x = 5,398.87 × 3,287.33
  4. Step 4: Simplify right side
    3,619.53x = 17,747,884.92
  5. Step 5: Solve for x
    x = 17,747,884.92/3,619.53
  6. Step 6: Final answer
    x = 4,903.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.